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Firaxis' and 2K Games' recent X-COM: Enemy Unknown is actually a remake of a series that began twenty years ago. It all started in 1994 with MicroProse's UFO: Enemy Unknown, entitled X-COM: UFO Defense in North America, a real-time base management simulation with turn-based tactical combat and an engaging story of alien invasion. The marriage of its distinct Geoscape and Battlescape views represented the game's strategy and battle modes, respectively; and they provided what felt like two different and compelling games in one. In this postmortem, Julian Gollop will lay out the tactics he deployed in directing, co-designing, co-programming, and even co-drawing the first, and often highest regarded, UFO/X-COM entry.